diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
index b14c541..2ed7eb7 100644
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -300,6 +300,7 @@
 
 func Test_strptime()
   CheckFunction strptime
+  CheckNotBSD
 
   if exists('$TZ')
     let tz = $TZ
@@ -314,6 +315,8 @@
 
   call assert_fails('call strptime()', 'E119:')
   call assert_fails('call strptime("xxx")', 'E119:')
+  " This fails on BSD 14 and returns 
+  " -2209078800 instead of 0
   call assert_equal(0, strptime("%Y", ''))
   call assert_equal(0, strptime("%Y", "xxx"))